Re: [Bluez-devel] Unable to set number of SCO buffers : please upgrade your Kernel !

[Brad Midgley <bmidgley@xmission.com>]

Klaus

> In plugz/../pcm_sco.c: sco_headset_hw_params(), 
>    setsockopt(...,SOL_SCO,...) is called, but it fails with ENOPROTOOPT
> "Protocol not available".
> 
>    setsockopt() for protocol level SOL_SCO is implemented in the kernel in
> net/bluetooth/sco.c: sco_sock_setsockopt(), but this function only does one
> thing - it returns ENOPROTOOPT:
> 
> ...
>         switch (optname) {
>         default:
>                 err = -ENOPROTOOPT;
>                 break;
>         }
> ...
> 
> I am a bit curious - how can this work for anybody?

you're looking at the upatched sco.c or maybe one hunk failed.
sco-flowcontrol-v4.2.diff has changes for setsockopt() around line 550.

we did actually change the constants for the setsockopt call, but if you
have a recently updated plugz it should actually try both the old and
new constants.

brad

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